
public class Animal{
    String name;
    int age;

    public Animal(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public void eat(){
        System.out.println(name + "正在吃饭");


    }

   // 被重写的方法修饰限定符要大于等于父类
    public void sleep(){
        System.out.println(name + "正在睡觉");
    }

}